The Kotlin Programming Language.

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

Framework for quickly creating connected applications in Kotlin with minimal effort

Library support for Kotlin coroutines

Kotlin SQL Framework

Bitwarden mobile apps (Password Manager and Authenticator) for Android.

Static code analysis for Kotlin

An anti-bikeshedding Kotlin linter with built-in formatter

Kotlin multiplatform / multi-format serialization

Java / JavaFX / Kotlin Game Library (Engine)

🌈Rainbow Brackets for IntelliJ based IDEs/Android Studio/HUAWEI DevEco Studio/Fleet

Template repository for creating plugins for IntelliJ Platform

Koog is the official Kotlin framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-brows…

Multiplatform command line interface parsing for Kotlin

KotlinX multiplatform date/time library

Native Android app using the Apple/Google exposure notification API. The CWA development ends on May 31, 2023. You still can warn other users until April 30, 2023. More information:

Identify email addresses or domains names that belong to colleges or universities. Help automate the process of approving or rejecting academic discounts.

Plugin for IntelliJ IDEA that gives special support for Minecraft modding projects.

Amper - a build tool for the Kotlin and Java languages, with a focus on user experience and tooling

Skytils is a Hypixel Skyblock mod! Be careful, malicious copies are distributed across GitHub. Confirm on discord.gg/skytils (807302538558308352)

Module that adds support for serialization/deserialization of Kotlin (http://kotlinlang.org) classes and data classes.

Libre Survival Manual for Android with offline in mind

The Advent of Code template project for Kotlin

One Dark theme for JetBrains.

A modern setup tool for libGDX Gradle projects

GitToolBox IntelliJ plugin

Grammar of Graphics for Kotlin

The Most Powerful and Feature Rich Minecraft Server Software!

The Java Reddit API Wrapper